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- W1983269034 abstract "The limitations of visually assessing coronary artery disease are well known. These limitations are particularly important in intermediate coronary lesions (30–70% diameter stenosis) where it is difficult to determine whether a particular lesion is the cause of ischaemia. Therefore, a functional measure of stenosis severity is needed. The purpose of this study is to determine whether the expected maximum coronary blood flow in an arterial tree is predictable from its sum of arterial branch lengths or lumen volume. Using a computer model of a porcine coronary artery tree, an analysis of blood flow distribution was conducted through a network of millions of vessels that included the entire coronary artery tree down to the first capillary branch. The flow simulation results show that there is a linear relationship between coronary blood flow and the sum of its arterial branch lengths. This relationship holds over the entire arterial tree. The flow simulation results also indicate that there is a power relation between coronary blood flow (Q) and the sum of its arterial lumen volume (V). Moreover, there is a linear relationship between normalized Q and normalized V raised to a power of over the entire arterial tree. These results indicate that measured arterial branch lengths or lumen volumes can be used to predict the expected maximum blood flow in an arterial tree. This theoretical maximum blood flow, in conjunction with an angiographically measured blood flow, can potentially be used to calculate fractional flow reserve based entirely on angiographic data." @default.
- W1983269034 created "2016-06-24" @default.
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- W1983269034 date "2007-02-12" @default.
- W1983269034 modified "2023-09-24" @default.
- W1983269034 title "Regional blood flow analysis and its relationship with arterial branch lengths and lumen volume in the coronary arterial tree" @default.
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- W1983269034 doi "https://doi.org/10.1088/0031-9155/52/5/018" @default.
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